package net.minecraft.server;
import com.google.common.collect.Lists;
import com.google.common.primitives.Doubles;
import com.google.common.primitives.Floats;
import com.koloboke.collect.map.hash.HashIntObjMap;
import com.koloboke.collect.map.hash.HashIntObjMaps;
import com.koloboke.collect.set.hash.HashIntSets;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import org.bukkit.Location;
import org.bukkit.craftbukkit.entity.CraftPlayer;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.craftbukkit.inventory.CraftInventoryView;
import org.bukkit.craftbukkit.inventory.CraftItemStack;
import org.bukkit.craftbukkit.util.CraftChatMessage;
import org.bukkit.craftbukkit.util.LazyPlayerSet;
import org.bukkit.craftbukkit.util.Waitable;
import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.inventory.ClickType;
import org.bukkit.event.inventory.CraftItemEvent;
import org.bukkit.event.inventory.InventoryAction;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryCreativeEvent;
import org.bukkit.event.inventory.InventoryType.SlotType;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.event.player.PlayerAnimationEvent;
import org.bukkit.event.player.PlayerChatEvent;
import org.bukkit.event.player.PlayerCommandPreprocessEvent;
import org.bukkit.event.player.PlayerInteractAtEntityEvent;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerItemHeldEvent;
import org.bukkit.event.player.PlayerKickEvent;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.event.player.PlayerResourcePackStatusEvent;
import org.bukkit.event.player.PlayerSwapHandItemsEvent;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.event.player.PlayerToggleFlightEvent;
import org.bukkit.event.player.PlayerToggleSneakEvent;
import org.bukkit.event.player.PlayerToggleSprintEvent;
import org.bukkit.inventory.CraftingInventory;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.InventoryView;
import org.bukkit.util.NumberConversions;
import org.torch.api.Async;
import org.torch.server.Regulator;
import com.destroystokyo.paper.event.player.IllegalPacketEvent; // Paper
import co.aikar.timings.MinecraftTimings; // Paper
// CraftBukkit end
public class PlayerConnection implements PacketListenerPlayIn, ITickable {
private static final Logger LOGGER = LogManager.getLogger();
public final NetworkManager networkManager;
private final MinecraftServer minecraftServer;
public EntityPlayer player;
private int e;
private int f;
private long g;
private long h;
// CraftBukkit start - multithreaded fields
private volatile int chatThrottle;
private static final AtomicIntegerFieldUpdater chatSpamField = AtomicIntegerFieldUpdater.newUpdater(PlayerConnection.class, "chatThrottle");
// CraftBukkit end
private int j;
private final HashIntObjMap<Short> k = HashIntObjMaps.newMutableMap(); // Torch
private double l;
private double m;
private double n;
private double o;
private double p;
private double q;
private Entity r;
private double s;
private double t;
private double u;
private double v;
private double w;
private double x;
private Vec3D teleportPos;
private int teleportAwait;
private int A;
private boolean B;
private int C;
private boolean D;
private int E;
private int receivedMovePackets;
private int processedMovePackets;
private boolean processedDisconnect; // CraftBukkit - Added
public PlayerConnection(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) {
this.minecraftServer = minecraftserver;
this.networkManager = networkmanager;
networkmanager.setPacketListener(this);
this.player = entityplayer;
entityplayer.playerConnection = this;
// CraftBukkit start - add fields and methods
this.server = minecraftserver.server;
}
private final org.bukkit.craftbukkit.CraftServer server;
private int lastTick = MinecraftServer.currentTick;
private int allowedPlayerTicks = 1;
private int lastDropTick = MinecraftServer.currentTick;
private int lastBookTick = MinecraftServer.currentTick;
private int dropCount = 0;
private static final int SURVIVAL_PLACE_DISTANCE_SQUARED = 6 * 6;
private static final int CREATIVE_PLACE_DISTANCE_SQUARED = 7 * 7;
// Get position of last block hit for BlockDamageLevel.STOPPED
private double lastPosX = Double.MAX_VALUE;
private double lastPosY = Double.MAX_VALUE;
private double lastPosZ = Double.MAX_VALUE;
private float lastPitch = Float.MAX_VALUE;
private float lastYaw = Float.MAX_VALUE;
private boolean justTeleported = false;
private boolean hasMoved; // Spigot
public CraftPlayer getPlayer() {
return (this.player == null) ? null : (CraftPlayer) this.player.getBukkitEntity();
}
// private final static HashSet<Integer> invalidItems = new HashSet<Integer>(java.util.Arrays.asList(8, 9, 10, 11, 26, 34, 36, 43, 51, 55, 59, 62, 63, 64, 68, 71, 74, 75, 83, 90, 92, 93, 94, 104, 105, 115, 117, 118, 119, 125, 127, 132, 140, 141, 142, 144)); // TODO: Check after every update.
private final static Set<Integer> invalidItems = HashIntSets.newImmutableSet(java.util.Arrays.asList(8, 9, 10, 11, 26, 34, 36, 43, 51, 55, 59, 62, 63, 64, 68, 71, 74, 75, 83, 90, 92, 93, 94, 104, 105, 115, 117, 118, 119, 125, 127, 132, 140, 141, 142, 144)); // Torch
// CraftBukkit end
@Override
public void F_() {
this.syncPosition();
this.player.playerTick();
this.player.setLocation(this.l, this.m, this.n, this.player.yaw, this.player.pitch);
++this.e;
this.processedMovePackets = this.receivedMovePackets;
if (this.B) {
if (++this.C > 80) {
PlayerConnection.LOGGER.warn("{} was kicked for floating too long!", new Object[] { this.player.getName()});
this.disconnect(com.destroystokyo.paper.PaperConfig.flyingKickPlayerMessage); // Paper - use configurable kick message
return;
}
} else {
this.B = false;
this.C = 0;
}
this.r = this.player.getVehicle();
if (this.r != this.player && this.r.bw() == this.player) {
this.s = this.r.locX;
this.t = this.r.locY;
this.u = this.r.locZ;
this.v = this.r.locX;
this.w = this.r.locY;
this.x = this.r.locZ;
if (this.D && this.player.getVehicle().bw() == this.player) {
if (++this.E > 80) {
PlayerConnection.LOGGER.warn("{} was kicked for floating a vehicle too long!", new Object[] { this.player.getName()});
this.disconnect(com.destroystokyo.paper.PaperConfig.flyingKickVehicleMessage); // Paper - use configurable kick message
return;
}
} else {
this.D = false;
this.E = 0;
}
} else {
this.r = null;
this.D = false;
this.E = 0;
}
this.minecraftServer.methodProfiler.a("keepAlive");
if (this.e - this.h > 40L) {
this.h = this.e;
this.g = this.e();
this.f = (int) this.g;
this.sendPacket(new PacketPlayOutKeepAlive(this.f));
}
// CraftBukkit start
for (int spam; (spam = this.chatThrottle) > 0 && !chatSpamField.compareAndSet(this, spam, spam - 1); ) ;
/* Use thread-safe field access instead
if (this.chatThrottle > 0) {
--this.chatThrottle;
}
*/
// CraftBukkit end
if (this.j > 0) {
--this.j;
}
if (this.player.I() > 0L && this.minecraftServer.getIdleTimeout() > 0 && MinecraftServer.aw() - this.player.I() > this.minecraftServer.getIdleTimeout() * 1000 * 60) {
this.player.resetIdleTimer(); // CraftBukkit - SPIGOT-854
this.disconnect("You have been idle for too long!");
}
}
public void syncPosition() {
this.l = this.player.locX;
this.m = this.player.locY;
this.n = this.player.locZ;
this.o = this.player.locX;
this.p = this.player.locY;
this.q = this.player.locZ;
}
public NetworkManager a() {
return this.networkManager;
}
public void disconnect(String s) {
// CraftBukkit start - fire PlayerKickEvent
if (this.processedDisconnect) {
return;
}
String leaveMessage = EnumChatFormat.YELLOW + this.player.getName() + " left the game.";
PlayerKickEvent event = new PlayerKickEvent(this.server.getPlayer(this.player), s, leaveMessage);
if (this.server.getServer().isRunning()) {
this.server.getPluginManager().callEvent(event);
}
if (event.isCancelled()) {
// Do not kick the player
return;
}
// Send the possibly modified leave message
s = event.getReason();
// CraftBukkit end
final ChatComponentText chatcomponenttext = new ChatComponentText(s);
this.networkManager.sendPacket(new PacketPlayOutKickDisconnect(chatcomponenttext), new GenericFutureListener() {
@Override
public void operationComplete(Future future) throws Exception { // CraftBukkit - decompile error
PlayerConnection.this.networkManager.close(chatcomponenttext);
}
}, new GenericFutureListener[0]);
this.a(chatcomponenttext); // CraftBukkit - fire quit instantly
this.networkManager.stopReading();
// CraftBukkit - Don't wait
this.minecraftServer.postToMainThread(new Runnable() {
@Override
public void run() {
PlayerConnection.this.networkManager.handleDisconnection();
}
});
}
@Override
public void a(PacketPlayInSteerVehicle packetplayinsteervehicle) {
PlayerConnectionUtils.ensureMainThread(packetplayinsteervehicle, this, this.player.x());
this.player.a(packetplayinsteervehicle.a(), packetplayinsteervehicle.b(), packetplayinsteervehicle.c(), packetplayinsteervehicle.d());
}
private static boolean b(PacketPlayInFlying packetplayinflying) {
return !Doubles.isFinite(packetplayinflying.a(0.0D)) || !Doubles.isFinite(packetplayinflying.b(0.0D)) || !Doubles.isFinite(packetplayinflying.c(0.0D)) || !Floats.isFinite(packetplayinflying.b(0.0F)) || !Floats.isFinite(packetplayinflying.a(0.0F)) || Math.abs(packetplayinflying.a(0.0D)) >= 3.0E7D || Math.abs(packetplayinflying.b(0.0D)) >= 3.0E7D || Math.abs(packetplayinflying.c(0.0D)) >= 3.0E7D;
}
private static boolean b(PacketPlayInVehicleMove packetplayinvehiclemove) {
return !Doubles.isFinite(packetplayinvehiclemove.getX()) || !Doubles.isFinite(packetplayinvehiclemove.getY()) || !Doubles.isFinite(packetplayinvehiclemove.getZ()) || !Floats.isFinite(packetplayinvehiclemove.getPitch()) || !Floats.isFinite(packetplayinvehiclemove.getYaw());
}
@Override
public void a(PacketPlayInVehicleMove packetplayinvehiclemove) {
PlayerConnectionUtils.ensureMainThread(packetplayinvehiclemove, this, this.player.x());
if (b(packetplayinvehiclemove)) {
this.disconnect("Invalid move vehicle packet received");
} else {
Entity entity = this.player.getVehicle();
if (entity != this.player && entity.bw() == this.player && entity == this.r) {
WorldServer worldserver = this.player.x();
double d0 = entity.locX;
double d1 = entity.locY;
double d2 = entity.locZ;
double d3 = packetplayinvehiclemove.getX();
double d4 = packetplayinvehiclemove.getY();
double d5 = packetplayinvehiclemove.getZ();
float f = packetplayinvehiclemove.getYaw();
float f1 = packetplayinvehiclemove.getPitch();
double d6 = d3 - this.s;
double d7 = d4 - this.t;
double d8 = d5 - this.u;
double d9 = entity.motX * entity.motX + entity.motY * entity.motY + entity.motZ * entity.motZ;
double d10 = d6 * d6 + d7 * d7 + d8 * d8;
// CraftBukkit start - handle custom speeds and skipped ticks
this.allowedPlayerTicks += (System.currentTimeMillis() / 50) - this.lastTick;
this.allowedPlayerTicks = Math.max(this.allowedPlayerTicks, 1);
this.lastTick = (int) (System.currentTimeMillis() / 50);
++this.receivedMovePackets;
int i = this.receivedMovePackets - this.processedMovePackets;
if (i > Math.max(this.allowedPlayerTicks, 5)) {
PlayerConnection.LOGGER.debug(this.player.getName() + " is sending move packets too frequently (" + i + " packets since last tick)");
i = 1;
}
if (d10 > 0) {
allowedPlayerTicks -= 1;
} else {
allowedPlayerTicks = 20;
}
float speed;
if (player.abilities.isFlying) {
speed = player.abilities.flySpeed * 20f;
} else {
speed = player.abilities.walkSpeed * 10f;
}
speed *= 2f; // TODO: Get the speed of the vehicle instead of the player
if (d10 - d9 > Math.max(100.0D, Math.pow(org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * i * speed, 2)) && (!this.minecraftServer.R() || !this.minecraftServer.Q().equals(entity.getName()))) { // Spigot
// CraftBukkit end
PlayerConnection.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", new Object[] { entity.getName(), this.player.getName(), Double.valueOf(d6), Double.valueOf(d7), Double.valueOf(d8)});
this.networkManager.sendPacket(new PacketPlayOutVehicleMove(entity));
return;
}
boolean flag = worldserver.getCubes(entity, entity.getBoundingBox().shrink(0.0625D)).isEmpty();
d6 = d3 - this.v;
d7 = d4 - this.w - 1.0E-6D;
d8 = d5 - this.x;
entity.move(EnumMoveType.PLAYER, d6, d7, d8);
double d11 = d7;
d6 = d3 - entity.locX;
d7 = d4 - entity.locY;
if (d7 > -0.5D || d7 < 0.5D) {
d7 = 0.0D;
}
d8 = d5 - entity.locZ;
d10 = d6 * d6 + d7 * d7 + d8 * d8;
boolean flag1 = false;
if (d10 > org.spigotmc.SpigotConfig.movedWronglyThreshold) { // Spigot
flag1 = true;
PlayerConnection.LOGGER.warn(entity.getName() + " (vehicle of " + this.player.getName() + ") moved wrongly!"); // Paper - More informative
}
entity.setLocation(d3, d4, d5, f, f1);
boolean flag2 = worldserver.getCubes(entity, entity.getBoundingBox().shrink(0.0625D)).isEmpty();
if (flag && (flag1 || !flag2)) {
entity.setLocation(d0, d1, d2, f, f1);
this.networkManager.sendPacket(new PacketPlayOutVehicleMove(entity));
return;
}
// CraftBukkit start - fire PlayerMoveEvent
Player player = this.getPlayer();
// Spigot Start
if ( !hasMoved )
{
Location curPos = player.getLocation();
lastPosX = curPos.getX();
lastPosY = curPos.getY();
lastPosZ = curPos.getZ();
lastYaw = curPos.getYaw();
lastPitch = curPos.getPitch();
hasMoved = true;
}
// Spigot End
Location from = new Location(player.getWorld(), lastPosX, lastPosY, lastPosZ, lastYaw, lastPitch); // Get the Players previous Event location.
Location to = player.getLocation().clone(); // Start off the To location as the Players current location.
// If the packet contains movement information then we update the To location with the correct XYZ.
to.setX(packetplayinvehiclemove.getX());
to.setY(packetplayinvehiclemove.getY());
to.setZ(packetplayinvehiclemove.getZ());
// If the packet contains look information then we update the To location with the correct Yaw & Pitch.
to.setYaw(packetplayinvehiclemove.getYaw());
to.setPitch(packetplayinvehiclemove.getPitch());
// Prevent 40 event-calls for less than a single pixel of movement >.>
double delta = Math.pow(this.lastPosX - to.getX(), 2) + Math.pow(this.lastPosY - to.getY(), 2) + Math.pow(this.lastPosZ - to.getZ(), 2);
float deltaAngle = Math.abs(this.lastYaw - to.getYaw()) + Math.abs(this.lastPitch - to.getPitch());
if ((delta > 1f / 256 || deltaAngle > 10f) && !this.player.isFrozen()) {
this.lastPosX = to.getX();
this.lastPosY = to.getY();
this.lastPosZ = to.getZ();
this.lastYaw = to.getYaw();
this.lastPitch = to.getPitch();
// Skip the first time we do this
if (true) { // Spigot - don't skip any move events
Location oldTo = to.clone();
PlayerMoveEvent event = new PlayerMoveEvent(player, from, to);
this.server.getPluginManager().callEvent(event);
// If the event is cancelled we move the player back to their old location.
if (event.isCancelled()) {
teleport(from);
return;
}
// If a Plugin has changed the To destination then we teleport the Player
// there to avoid any 'Moved wrongly' or 'Moved too quickly' errors.
// We only do this if the Event was not cancelled.
if (!oldTo.equals(event.getTo()) && !event.isCancelled()) {
this.player.getBukkitEntity().teleport(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN);
return;
}
// Check to see if the Players Location has some how changed during the call of the event.
// This can happen due to a plugin teleporting the player instead of using .setTo()
if (!from.equals(this.getPlayer().getLocation()) && this.justTeleported) {
this.justTeleported = false;
return;
}
}
}
// CraftBukkit end
this.minecraftServer.getPlayerList().d(this.player);
this.player.checkMovement(this.player.locX - d0, this.player.locY - d1, this.player.locZ - d2);
this.D = d11 >= -0.03125D && !this.minecraftServer.getAllowFlight() && !worldserver.c(entity.getBoundingBox().g(0.0625D).b(0.0D, -0.55D, 0.0D));
this.v = entity.locX;
this.w = entity.locY;
this.x = entity.locZ;
}
}
}
@Override
public void a(PacketPlayInTeleportAccept packetplayinteleportaccept) {
PlayerConnectionUtils.ensureMainThread(packetplayinteleportaccept, this, this.player.x());
if (packetplayinteleportaccept.a() == this.teleportAwait) {
this.player.setLocation(this.teleportPos.x, this.teleportPos.y, this.teleportPos.z, this.player.yaw, this.player.pitch);
if (this.player.K()) {
this.o = this.teleportPos.x;
this.p = this.teleportPos.y;
this.q = this.teleportPos.z;
this.player.L();
}
this.teleportPos = null;
}
}
@Override
public void a(PacketPlayInFlying packetplayinflying) {
PlayerConnectionUtils.ensureMainThread(packetplayinflying, this, this.player.x());
if (b(packetplayinflying)) {
this.disconnect("Invalid move player packet received");
} else {
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
if (!this.player.viewingCredits && !this.player.isFrozen()) { // CraftBukkit
if (this.e == 0) {
this.syncPosition();
}
if (this.teleportPos != null) {
if (this.e - this.A > 20) {
this.A = this.e;
this.a(this.teleportPos.x, this.teleportPos.y, this.teleportPos.z, this.player.yaw, this.player.pitch);
}
this.allowedPlayerTicks = 20; // CraftBukkit
} else {
this.A = this.e;
if (this.player.isPassenger()) {
this.player.setLocation(this.player.locX, this.player.locY, this.player.locZ, packetplayinflying.a(this.player.yaw), packetplayinflying.b(this.player.pitch));
this.minecraftServer.getPlayerList().d(this.player);
this.allowedPlayerTicks = 20; // CraftBukkit
} else {
// CraftBukkit - Make sure the move is valid but then reset it for plugins to modify
double prevX = player.locX;
double prevY = player.locY;
double prevZ = player.locZ;
float prevYaw = player.yaw;
float prevPitch = player.pitch;
// CraftBukkit end
double d0 = this.player.locX;
double d1 = this.player.locY;
double d2 = this.player.locZ;
double d3 = this.player.locY;
double d4 = packetplayinflying.a(this.player.locX);
double d5 = packetplayinflying.b(this.player.locY);
double d6 = packetplayinflying.c(this.player.locZ);
float f = packetplayinflying.a(this.player.yaw);
float f1 = packetplayinflying.b(this.player.pitch);
double d7 = d4 - this.l;
double d8 = d5 - this.m;
double d9 = d6 - this.n;
double d10 = this.player.motX * this.player.motX + this.player.motY * this.player.motY + this.player.motZ * this.player.motZ;
double d11 = d7 * d7 + d8 * d8 + d9 * d9;
if (this.player.isSleeping()) {
if (d11 > 1.0D) {
this.a(this.player.locX, this.player.locY, this.player.locZ, packetplayinflying.a(this.player.yaw), packetplayinflying.b(this.player.pitch));
}
} else {
++this.receivedMovePackets;
int i = this.receivedMovePackets - this.processedMovePackets;
// CraftBukkit start - handle custom speeds and skipped ticks
this.allowedPlayerTicks += (System.currentTimeMillis() / 50) - this.lastTick;
this.allowedPlayerTicks = Math.max(this.allowedPlayerTicks, 1);
this.lastTick = (int) (System.currentTimeMillis() / 50);
if (i > Math.max(this.allowedPlayerTicks, 5)) {
PlayerConnection.LOGGER.debug("{} is sending move packets too frequently ({} packets since last tick)", new Object[] { this.player.getName(), Integer.valueOf(i)});
i = 1;
}
if (packetplayinflying.hasLook || d11 > 0) {
allowedPlayerTicks -= 1;
} else {
allowedPlayerTicks = 20;
}
float speed;
if (player.abilities.isFlying) {
speed = player.abilities.flySpeed * 20f;
} else {
speed = player.abilities.walkSpeed * 10f;
}
if (!this.player.K() && (!this.player.x().getGameRules().getBoolean("disableElytraMovementCheck") || !this.player.cH())) {
float f2 = this.player.cH() ? 300.0F : 100.0F;
if (d11 - d10 > Math.max(f2, Math.pow(org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * i * speed, 2)) && (!this.minecraftServer.R() || !this.minecraftServer.Q().equals(this.player.getName()))) { // Spigot
// CraftBukkit end
PlayerConnection.LOGGER.warn("{} moved too quickly! {},{},{}", new Object[] { this.player.getName(), Double.valueOf(d7), Double.valueOf(d8), Double.valueOf(d9)});
this.a(this.player.locX, this.player.locY, this.player.locZ, this.player.yaw, this.player.pitch);
return;
}
}
boolean flag = worldserver.getCubes(this.player, this.player.getBoundingBox().shrink(0.0625D)).isEmpty();
d7 = d4 - this.o;
d8 = d5 - this.p;
d9 = d6 - this.q;
if (this.player.onGround && !packetplayinflying.a() && d8 > 0.0D) {
this.player.cm();
}
this.player.move(EnumMoveType.PLAYER, d7, d8, d9);
this.player.onGround = packetplayinflying.a();
double d12 = d8;
d7 = d4 - this.player.locX;
d8 = d5 - this.player.locY;
if (d8 > -0.5D || d8 < 0.5D) {
d8 = 0.0D;
}
d9 = d6 - this.player.locZ;
d11 = d7 * d7 + d8 * d8 + d9 * d9;
boolean flag1 = false;
if (!this.player.K() && d11 > org.spigotmc.SpigotConfig.movedWronglyThreshold && !this.player.isSleeping() && !this.player.playerInteractManager.isCreative() && this.player.playerInteractManager.getGameMode() != EnumGamemode.SPECTATOR) { // Spigot
flag1 = true;
PlayerConnection.LOGGER.warn("{} moved wrongly!", new Object[] { this.player.getName()});
}
this.player.setLocation(d4, d5, d6, f, f1);
this.player.checkMovement(this.player.locX - d0, this.player.locY - d1, this.player.locZ - d2);
if (!this.player.noclip && !this.player.isSleeping()) {
boolean flag2 = worldserver.getCubes(this.player, this.player.getBoundingBox().shrink(0.0625D)).isEmpty();
if (flag && (flag1 || !flag2)) {
this.a(d0, d1, d2, f, f1);
return;
}
}
// CraftBukkit start - fire PlayerMoveEvent
// Rest to old location first
this.player.setLocation(prevX, prevY, prevZ, prevYaw, prevPitch);
Player player = this.getPlayer();
Location from = new Location(player.getWorld(), lastPosX, lastPosY, lastPosZ, lastYaw, lastPitch); // Get the Players previous Event location.
Location to = player.getLocation().clone(); // Start off the To location as the Players current location.
// If the packet contains movement information then we update the To location with the correct XYZ.
if (packetplayinflying.hasPos) {
to.setX(packetplayinflying.x);
to.setY(packetplayinflying.y);
to.setZ(packetplayinflying.z);
}
// If the packet contains look information then we update the To location with the correct Yaw & Pitch.
if (packetplayinflying.hasLook) {
to.setYaw(packetplayinflying.yaw);
to.setPitch(packetplayinflying.pitch);
}
// Prevent 40 event-calls for less than a single pixel of movement >.>
double delta = Math.pow(this.lastPosX - to.getX(), 2) + Math.pow(this.lastPosY - to.getY(), 2) + Math.pow(this.lastPosZ - to.getZ(), 2);
float deltaAngle = Math.abs(this.lastYaw - to.getYaw()) + Math.abs(this.lastPitch - to.getPitch());
if ((delta > 1f / 256 || deltaAngle > 10f) && !this.player.isFrozen()) {
this.lastPosX = to.getX();
this.lastPosY = to.getY();
this.lastPosZ = to.getZ();
this.lastYaw = to.getYaw();
this.lastPitch = to.getPitch();
// Skip the first time we do this
if (from.getX() != Double.MAX_VALUE) {
Location oldTo = to.clone();
PlayerMoveEvent event = new PlayerMoveEvent(player, from, to);
this.server.getPluginManager().callEvent(event);
// If the event is cancelled we move the player back to their old location.
if (event.isCancelled()) {
teleport(from);
return;
}
// If a Plugin has changed the To destination then we teleport the Player
// there to avoid any 'Moved wrongly' or 'Moved too quickly' errors.
// We only do this if the Event was not cancelled.
if (!oldTo.equals(event.getTo()) && !event.isCancelled()) {
this.player.getBukkitEntity().teleport(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN);
return;
}
// Check to see if the Players Location has some how changed during the call of the event.
// This can happen due to a plugin teleporting the player instead of using .setTo()
if (!from.equals(this.getPlayer().getLocation()) && this.justTeleported) {
this.justTeleported = false;
return;
}
}
}
this.player.setLocation(d4, d5, d6, f, f1); // Copied from above
// CraftBukkit end
this.B = d12 >= -0.03125D;
this.B &= !this.minecraftServer.getAllowFlight() && !this.player.abilities.canFly;
this.B &= !this.player.hasEffect(MobEffects.LEVITATION) && !this.player.cH() && !worldserver.c(this.player.getBoundingBox().g(0.0625D).b(0.0D, -0.55D, 0.0D));
this.player.onGround = packetplayinflying.a();
this.minecraftServer.getPlayerList().d(this.player);
this.player.a(this.player.locY - d3, packetplayinflying.a());
this.o = this.player.locX;
this.p = this.player.locY;
this.q = this.player.locZ;
}
}
}
}
}
}
public void a(double d0, double d1, double d2, float f, float f1) {
this.a(d0, d1, d2, f, f1, Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet());
}
// CraftBukkit start - Delegate to teleport(Location)
public void a(double d0, double d1, double d2, float f, float f1, PlayerTeleportEvent.TeleportCause cause) {
this.a(d0, d1, d2, f, f1, Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet(), cause);
}
public void a(double d0, double d1, double d2, float f, float f1, Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set) {
this.a(d0, d1, d2, f, f1, Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet(), PlayerTeleportEvent.TeleportCause.UNKNOWN);
}
public void a(double d0, double d1, double d2, float f, float f1, Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set, PlayerTeleportEvent.TeleportCause cause) {
Player player = this.getPlayer();
Location from = player.getLocation();
double x = d0;
double y = d1;
double z = d2;
float yaw = f;
float pitch = f1;
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.X)) {
x += from.getX();
}
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y)) {
y += from.getY();
}
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Z)) {
z += from.getZ();
}
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y_ROT)) {
yaw += from.getYaw();
}
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.X_ROT)) {
pitch += from.getPitch();
}
Location to = new Location(this.getPlayer().getWorld(), x, y, z, yaw, pitch);
PlayerTeleportEvent event = new PlayerTeleportEvent(player, from.clone(), to.clone(), cause);
this.server.getPluginManager().callEvent(event);
if (event.isCancelled() || !to.equals(event.getTo())) {
set.clear(); // Can't relative teleport
to = event.isCancelled() ? event.getFrom() : event.getTo();
d0 = to.getX();
d1 = to.getY();
d2 = to.getZ();
f = to.getYaw();
f1 = to.getPitch();
}
this.internalTeleport(d0, d1, d2, f, f1, set);
}
public void teleport(Location dest) {
internalTeleport(dest.getX(), dest.getY(), dest.getZ(), dest.getYaw(), dest.getPitch(), Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet());
}
private void internalTeleport(double d0, double d1, double d2, float f, float f1, Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set) {
// CraftBukkit start
if (Float.isNaN(f)) {
f = 0;
}
if (Float.isNaN(f1)) {
f1 = 0;
}
this.justTeleported = true;
// CraftBukkit end
double d3 = set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.X) ? this.player.locX : 0.0D;
double d4 = set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y) ? this.player.locY : 0.0D;
double d5 = set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Z) ? this.player.locZ : 0.0D;
this.teleportPos = new Vec3D(d0 + d3, d1 + d4, d2 + d5);
float f2 = f;
float f3 = f1;
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.Y_ROT)) {
f2 = f + this.player.yaw;
}
if (set.contains(PacketPlayOutPosition.EnumPlayerTeleportFlags.X_ROT)) {
f3 = f1 + this.player.pitch;
}
// CraftBukkit start - update last location
this.lastPosX = this.teleportPos.x;
this.lastPosY = this.teleportPos.y;
this.lastPosZ = this.teleportPos.z;
this.lastYaw = f2;
this.lastPitch = f3;
// CraftBukkit end
if (++this.teleportAwait == Integer.MAX_VALUE) {
this.teleportAwait = 0;
}
this.A = this.e;
this.player.setLocation(this.teleportPos.x, this.teleportPos.y, this.teleportPos.z, f2, f3);
this.player.playerConnection.sendPacket(new PacketPlayOutPosition(d0, d1, d2, f, f1, set, this.teleportAwait));
}
@Override
public void a(PacketPlayInBlockDig packetplayinblockdig) {
PlayerConnectionUtils.ensureMainThread(packetplayinblockdig, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
BlockPosition blockposition = packetplayinblockdig.a();
this.player.resetIdleTimer();
switch (packetplayinblockdig.c()) {
case SWAP_HELD_ITEMS:
if (!this.player.isSpectator()) {
ItemStack itemstack = this.player.b(EnumHand.OFF_HAND);
// CraftBukkit start
PlayerSwapHandItemsEvent swapItemsEvent = new PlayerSwapHandItemsEvent(getPlayer(), CraftItemStack.asBukkitCopy(itemstack), CraftItemStack.asBukkitCopy(this.player.b(EnumHand.MAIN_HAND)));
this.server.getPluginManager().callEvent(swapItemsEvent);
if (swapItemsEvent.isCancelled()) {
return;
}
itemstack = CraftItemStack.asNMSCopy(swapItemsEvent.getMainHandItem());
this.player.a(EnumHand.OFF_HAND, CraftItemStack.asNMSCopy(swapItemsEvent.getOffHandItem()));
// CraftBukkit end
this.player.a(EnumHand.MAIN_HAND, itemstack);
}
return;
case DROP_ITEM:
if (!this.player.isSpectator()) {
// limit how quickly items can be dropped
// If the ticks aren't the same then the count starts from 0 and we update the lastDropTick.
if (this.lastDropTick != MinecraftServer.currentTick) {
this.dropCount = 0;
this.lastDropTick = MinecraftServer.currentTick;
} else {
// Else we increment the drop count and check the amount.
this.dropCount++;
if (this.dropCount >= 20) {
LOGGER.warn(this.player.getName() + " dropped their items too quickly!");
this.disconnect("You dropped your items too quickly (Hacking?)");
return;
}
}
// CraftBukkit end
this.player.a(false);
}
return;
case DROP_ALL_ITEMS:
if (!this.player.isSpectator()) {
this.player.a(true);
}
return;
case RELEASE_USE_ITEM:
this.player.clearActiveItem();
return;
case START_DESTROY_BLOCK:
case ABORT_DESTROY_BLOCK:
case STOP_DESTROY_BLOCK:
double d0 = this.player.locX - (blockposition.getX() + 0.5D);
double d1 = this.player.locY - (blockposition.getY() + 0.5D) + 1.5D;
double d2 = this.player.locZ - (blockposition.getZ() + 0.5D);
double d3 = d0 * d0 + d1 * d1 + d2 * d2;
if (d3 > 36.0D) {
this.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition)); // Paper - Fix block break desync
return;
} else if (blockposition.getY() >= this.minecraftServer.getMaxBuildHeight()) {
return;
} else {
if (packetplayinblockdig.c() == PacketPlayInBlockDig.EnumPlayerDigType.START_DESTROY_BLOCK) {
if (!this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.getWorldBorder().a(blockposition)) {
this.player.playerInteractManager.a(blockposition, packetplayinblockdig.b());
} else {
// CraftBukkit start - fire PlayerInteractEvent
CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, blockposition, packetplayinblockdig.b(), this.player.inventory.getItemInHand(), EnumHand.MAIN_HAND);
this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition));
// Update any tile entity data for this block
TileEntity tileentity = worldserver.getTileEntity(blockposition);
if (tileentity != null) {
this.player.playerConnection.sendPacket(tileentity.getUpdatePacket());
}
// CraftBukkit end
}
} else {
if (packetplayinblockdig.c() == PacketPlayInBlockDig.EnumPlayerDigType.STOP_DESTROY_BLOCK) {
this.player.playerInteractManager.a(blockposition);
} else if (packetplayinblockdig.c() == PacketPlayInBlockDig.EnumPlayerDigType.ABORT_DESTROY_BLOCK) {
this.player.playerInteractManager.e();
}
if (worldserver.getType(blockposition).getMaterial() != Material.AIR) {
this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition));
}
}
return;
}
default:
throw new IllegalArgumentException("Invalid player action");
}
// CraftBukkit end
}
// Spigot start - limit place/interactions
private int limitedPackets;
private long lastLimitedPacket = -1;
private static final int THRESHOLD = com.destroystokyo.paper.PaperConfig.packetInSpamThreshold; // Paper - Configurable threshold
private boolean checkLimit(long timestamp) {
if (lastLimitedPacket != -1 && timestamp - lastLimitedPacket < THRESHOLD && limitedPackets++ >= 8) { // Paper - Use threshold, raise packet limit to 8
return false;
}
if (lastLimitedPacket == -1 || timestamp - lastLimitedPacket >= THRESHOLD) { // Paper
lastLimitedPacket = timestamp;
limitedPackets = 0;
return true;
}
return true;
}
// Spigot end
@Override
public void a(PacketPlayInUseItem packetplayinuseitem) {
PlayerConnectionUtils.ensureMainThread(packetplayinuseitem, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
if (!checkLimit(packetplayinuseitem.timestamp)) return; // Spigot - check limit
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
EnumHand enumhand = packetplayinuseitem.c();
ItemStack itemstack = this.player.b(enumhand);
BlockPosition blockposition = packetplayinuseitem.a();
EnumDirection enumdirection = packetplayinuseitem.b();
this.player.resetIdleTimer();
if (blockposition.getY() >= this.minecraftServer.getMaxBuildHeight() - 1 && (enumdirection == EnumDirection.UP || blockposition.getY() >= this.minecraftServer.getMaxBuildHeight())) {
ChatMessage chatmessage = new ChatMessage("build.tooHigh", new Object[] { Integer.valueOf(this.minecraftServer.getMaxBuildHeight())});
chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
this.player.playerConnection.sendPacket(new PacketPlayOutChat(chatmessage, (byte) 2));
} else if (this.teleportPos == null && this.player.d(blockposition.getX() + 0.5D, blockposition.getY() + 0.5D, blockposition.getZ() + 0.5D) < 64.0D && !this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.getWorldBorder().a(blockposition)) {
// CraftBukkit start - Check if we can actually do something over this large a distance
Location eyeLoc = this.getPlayer().getEyeLocation();
double reachDistance = NumberConversions.square(eyeLoc.getX() - blockposition.getX()) + NumberConversions.square(eyeLoc.getY() - blockposition.getY()) + NumberConversions.square(eyeLoc.getZ() - blockposition.getZ());
if (reachDistance > (this.getPlayer().getGameMode() == org.bukkit.GameMode.CREATIVE ? CREATIVE_PLACE_DISTANCE_SQUARED : SURVIVAL_PLACE_DISTANCE_SQUARED)) {
return;
}
// CraftBukkit end
this.player.playerInteractManager.a(this.player, worldserver, itemstack, enumhand, blockposition, enumdirection, packetplayinuseitem.d(), packetplayinuseitem.e(), packetplayinuseitem.f());
}
this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition));
this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition.shift(enumdirection)));
}
@Override
public void a(PacketPlayInBlockPlace packetplayinblockplace) {
PlayerConnectionUtils.ensureMainThread(packetplayinblockplace, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
if (!checkLimit(packetplayinblockplace.timestamp)) return; // Spigot - check limit
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
EnumHand enumhand = packetplayinblockplace.a();
ItemStack itemstack = this.player.b(enumhand);
this.player.resetIdleTimer();
if (!itemstack.isEmpty()) {
// CraftBukkit start
// Raytrace to look for 'rogue armswings'
float f1 = this.player.pitch;
float f2 = this.player.yaw;
double d0 = this.player.locX;
double d1 = this.player.locY + this.player.getHeadHeight();
double d2 = this.player.locZ;
Vec3D vec3d = new Vec3D(d0, d1, d2);
float f3 = MathHelper.cos(-f2 * 0.017453292F - 3.1415927F);
float f4 = MathHelper.sin(-f2 * 0.017453292F - 3.1415927F);
float f5 = -MathHelper.cos(-f1 * 0.017453292F);
float f6 = MathHelper.sin(-f1 * 0.017453292F);
float f7 = f4 * f5;
float f8 = f3 * f5;
double d3 = player.playerInteractManager.getGameMode()== EnumGamemode.CREATIVE ? 5.0D : 4.5D;
Vec3D vec3d1 = vec3d.add(f7 * d3, f6 * d3, f8 * d3);
MovingObjectPosition movingobjectposition = this.player.world.rayTrace(vec3d, vec3d1, false);
boolean cancelled;
if (movingobjectposition == null || movingobjectposition.type != MovingObjectPosition.EnumMovingObjectType.BLOCK) {
org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack, enumhand);
cancelled = event.useItemInHand() == Event.Result.DENY;
} else {
if (player.playerInteractManager.firedInteract) {
player.playerInteractManager.firedInteract = false;
cancelled = player.playerInteractManager.interactResult;
} else {
org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(player, Action.RIGHT_CLICK_BLOCK, movingobjectposition.a(), movingobjectposition.direction, itemstack, true, enumhand);
cancelled = event.useItemInHand() == Event.Result.DENY;
}
}
if (cancelled) {
this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
} else {
this.player.playerInteractManager.a(this.player, worldserver, itemstack, enumhand);
}
// CraftBukkit end
}
}
@Override
public void a(PacketPlayInSpectate packetplayinspectate) {
PlayerConnectionUtils.ensureMainThread(packetplayinspectate, this, this.player.x());
if (this.player.isSpectator()) {
Entity entity = null;
WorldServer[] aworldserver = this.minecraftServer.worldServer;
int i = aworldserver.length;
// CraftBukkit - use the worlds array list
for (WorldServer worldserver : minecraftServer.worlds) {
if (worldserver != null) {
entity = packetplayinspectate.a(worldserver);
if (entity != null) {
break;
}
}
}
if (entity != null) {
this.player.setSpectatorTarget(this.player);
this.player.stopRiding();
/* CraftBukkit start - replace with bukkit handling for multi-world
if (entity.world == this.player.world) {
this.player.enderTeleportTo(entity.locX, entity.locY, entity.locZ);
} else {
WorldServer worldserver1 = this.player.x();
WorldServer worldserver2 = (WorldServer) entity.world;
this.player.dimension = entity.dimension;
this.sendPacket(new PacketPlayOutRespawn(this.player.dimension, worldserver1.getDifficulty(), worldserver1.getWorldData().getType(), this.player.playerInteractManager.getGameMode()));
this.minecraftServer.getPlayerList().f(this.player);
worldserver1.removeEntity(this.player);
this.player.dead = false;
this.player.setPositionRotation(entity.locX, entity.locY, entity.locZ, entity.yaw, entity.pitch);
if (this.player.isAlive()) {
worldserver1.entityJoinedWorld(this.player, false);
worldserver2.addEntity(this.player);
worldserver2.entityJoinedWorld(this.player, false);
}
this.player.spawnIn(worldserver2);
this.minecraftServer.getPlayerList().a(this.player, worldserver1);
this.player.enderTeleportTo(entity.locX, entity.locY, entity.locZ);
this.player.playerInteractManager.a(worldserver2);
this.minecraftServer.getPlayerList().b(this.player, worldserver2);
this.minecraftServer.getPlayerList().updateClient(this.player);
}
*/
this.player.getBukkitEntity().teleport(entity.getBukkitEntity(), PlayerTeleportEvent.TeleportCause.SPECTATE);
// CraftBukkit end
}
}
}
// CraftBukkit start
@Override
public void a(PacketPlayInResourcePackStatus packetplayinresourcepackstatus) {
PlayerConnectionUtils.ensureMainThread(packetplayinresourcepackstatus, this, this.player.x());
// Paper start
//this.server.getPluginManager().callEvent(new PlayerResourcePackStatusEvent(getPlayer(), PlayerResourcePackStatusEvent.Status.values()[packetplayinresourcepackstatus.status.ordinal()]));
final PlayerResourcePackStatusEvent.Status status = PlayerResourcePackStatusEvent.Status.values()[packetplayinresourcepackstatus.status.ordinal()];
this.getPlayer().setResourcePackStatus(status);
this.server.getPluginManager().callEvent(new PlayerResourcePackStatusEvent(getPlayer(), status));
// Paper end
}
// CraftBukkit end
@Override
public void a(PacketPlayInBoatMove packetplayinboatmove) {
PlayerConnectionUtils.ensureMainThread(packetplayinboatmove, this, this.player.x());
Entity entity = this.player.bB();
if (entity instanceof EntityBoat) {
((EntityBoat) entity).a(packetplayinboatmove.a(), packetplayinboatmove.b());
}
}
@Override
public void a(IChatBaseComponent ichatbasecomponent) {
// CraftBukkit start - Rarely it would send a disconnect line twice
if (this.processedDisconnect) {
return;
} else {
this.processedDisconnect = true;
}
// CraftBukkit end
PlayerConnection.LOGGER.info("{} lost connection: {}", new Object[] { this.player.getName(), ichatbasecomponent.toPlainText()});// CraftBukkit - Don't toString().
// CraftBukkit start - Replace vanilla quit message handling with our own.
/*
this.minecraftServer.aD();
ChatMessage chatmessage = new ChatMessage("multiplayer.player.left", new Object[] { this.player.getScoreboardDisplayName()});
chatmessage.getChatModifier().setColor(EnumChatFormat.YELLOW);
this.minecraftServer.getPlayerList().sendMessage(chatmessage);
*/
this.player.t();
String quitMessage = this.minecraftServer.getPlayerList().disconnect(this.player);
if ((quitMessage != null) && (quitMessage.length() > 0)) {
this.minecraftServer.getPlayerList().sendMessage(CraftChatMessage.fromString(quitMessage));
}
// CraftBukkit end
if (this.minecraftServer.R() && this.player.getName().equals(this.minecraftServer.Q())) {
LOGGER.info("Stopping singleplayer server as player logged out");
this.minecraftServer.safeShutdown();
}
}
@Async
public void sendPacket(final Packet<?> packet) {
if (packet == null || this.processedDisconnect) return;
if (packet instanceof PacketPlayOutChat) {
PacketPlayOutChat packetplayoutchat = (PacketPlayOutChat) packet;
EntityHuman.EnumChatVisibility entityhuman_enumchatvisibility = this.player.getChatFlags();
if (entityhuman_enumchatvisibility == EntityHuman.EnumChatVisibility.HIDDEN && packetplayoutchat.c() != 2) {
return;
}
if (entityhuman_enumchatvisibility == EntityHuman.EnumChatVisibility.SYSTEM && !packetplayoutchat.b()) {
return;
}
}
if (packet instanceof PacketPlayOutSpawnPosition) {
PacketPlayOutSpawnPosition packet6 = (PacketPlayOutSpawnPosition) packet;
this.player.compassTarget = new Location(this.getPlayer().getWorld(), packet6.position.getX(), packet6.position.getY(), packet6.position.getZ());
}
try {
this.networkManager.sendPacket(packet);
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.a(throwable, "Sending packet");
CrashReportSystemDetails systemDetails = crashreport.a("Packet being sent");
systemDetails.a("Packet class", new CrashReportCallable<String>() {
@Override
public String call() throws Exception {
return packet.getClass().getCanonicalName();
}
});
throw new ReportedException(crashreport);
}
}
@Override
public void a(PacketPlayInHeldItemSlot packetplayinhelditemslot) {
PlayerConnectionUtils.ensureMainThread(packetplayinhelditemslot, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
if (packetplayinhelditemslot.a() >= 0 && packetplayinhelditemslot.a() < PlayerInventory.getHotbarSize()) {
PlayerItemHeldEvent event = new PlayerItemHeldEvent(this.getPlayer(), this.player.inventory.itemInHandIndex, packetplayinhelditemslot.a());
this.server.getPluginManager().callEvent(event);
if (event.isCancelled()) {
this.sendPacket(new PacketPlayOutHeldItemSlot(this.player.inventory.itemInHandIndex));
this.player.resetIdleTimer();
return;
}
// CraftBukkit end
this.player.inventory.itemInHandIndex = packetplayinhelditemslot.a();
this.player.resetIdleTimer();
} else {
PlayerConnection.LOGGER.warn("{} tried to set an invalid carried item", new Object[] { this.player.getName()});
this.disconnect("Invalid hotbar selection (Hacking?)"); // CraftBukkit //Spigot "Nope" -> Descriptive reason
}
}
@Override
public void a(PacketPlayInChat packetplayinchat) {
// CraftBukkit start - async chat
boolean isSync = packetplayinchat.a().startsWith("/");
if (packetplayinchat.a().startsWith("/")) {
PlayerConnectionUtils.ensureMainThread(packetplayinchat, this, this.player.x());
}
// CraftBukkit end
if (this.player.dead || this.player.getChatFlags() == EntityHuman.EnumChatVisibility.HIDDEN) { // CraftBukkit - dead men tell no tales
ChatMessage chatmessage = new ChatMessage("chat.cannotSend", new Object[0]);
chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
this.sendPacket(new PacketPlayOutChat(chatmessage));
} else {
this.player.resetIdleTimer();
String s = packetplayinchat.a();
s = StringUtils.normalizeSpace(s);
for (int i = 0; i < s.length(); ++i) {
if (!SharedConstants.isAllowedChatCharacter(s.charAt(i))) {
// CraftBukkit start - threadsafety
if (!isSync) {
Waitable waitable = new Waitable() {
@Override
protected Object evaluate() {
PlayerConnection.this.disconnect("Illegal characters in chat");
return null;
}
};
this.minecraftServer.processQueue.add(waitable);
try {
waitable.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
} else {
this.disconnect("Illegal characters in chat");
}
// CraftBukkit end
return;
}
}
// CraftBukkit start
if (isSync) {
try {
this.minecraftServer.server.playerCommandState = true;
this.handleCommand(s);
} finally {
this.minecraftServer.server.playerCommandState = false;
}
} else if (s.isEmpty()) {
LOGGER.warn(this.player.getName() + " tried to send an empty message");
} else if (getPlayer().isConversing()) {
// Spigot start
final String message = s;
this.minecraftServer.processQueue.add( new Waitable()
{
@Override
protected Object evaluate()
{
getPlayer().acceptConversationInput( message );
return null;
}
} );
// Spigot end
} else if (this.player.getChatFlags() == EntityHuman.EnumChatVisibility.SYSTEM) { // Re-add "Command Only" flag check
ChatMessage chatmessage = new ChatMessage("chat.cannotSend", new Object[0]);
chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
this.sendPacket(new PacketPlayOutChat(chatmessage));
} else if (true) {
this.chat(s, true);
// CraftBukkit end - the below is for reference. :)
} else {
ChatMessage chatmessage1 = new ChatMessage("chat.type.text", new Object[] { this.player.getScoreboardDisplayName(), s});
this.minecraftServer.getPlayerList().sendMessage(chatmessage1, false);
}
// Spigot start - spam exclusions
boolean counted = true;
for ( String exclude : org.spigotmc.SpigotConfig.spamExclusions )
{
if ( exclude != null && s.startsWith( exclude ) )
{
counted = false;
break;
}
}
// Spigot end
// CraftBukkit start - replaced with thread safe throttle
// this.chatThrottle += 20;
if (counted && chatSpamField.addAndGet(this, 20) > 200 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) { // Spigot
if (!isSync) {
Waitable waitable = new Waitable() {
@Override
protected Object evaluate() {
PlayerConnection.this.disconnect("disconnect.spam");
return null;
}
};
this.minecraftServer.processQueue.add(waitable);
try {
waitable.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
} else {
this.disconnect("disconnect.spam");
}
// CraftBukkit end
}
}
}
// CraftBukkit start - add method
public void chat(String s, boolean async) {
if (s.isEmpty() || this.player.getChatFlags() == EntityHuman.EnumChatVisibility.HIDDEN) {
return;
}
if (!async && s.startsWith("/")) {
// Paper Start
if (org.spigotmc.AsyncCatcher.enabled && !org.bukkit.Bukkit.isPrimaryThread()) {
final String fCommandLine = s;
MinecraftServer.LOGGER.log(org.apache.logging.log4j.Level.ERROR, "Command Dispatched Async: " + fCommandLine + ", Post to Main Thread!");
minecraftServer.processQueue.add(() -> chat(fCommandLine, false));
}
// Paper End
this.handleCommand(s);
} else if (this.player.getChatFlags() == EntityHuman.EnumChatVisibility.SYSTEM) {
// Do nothing, this is coming from a plugin
} else {
Player player = this.getPlayer();
AsyncPlayerChatEvent event = new AsyncPlayerChatEvent(async, player, s, new LazyPlayerSet(minecraftServer));
this.server.getPluginManager().callEvent(event);
if (PlayerChatEvent.getHandlerList().getRegisteredListeners().length != 0) {
// Evil plugins still listening to deprecated event
final PlayerChatEvent queueEvent = new PlayerChatEvent(player, event.getMessage(), event.getFormat(), event.getRecipients());
queueEvent.setCancelled(event.isCancelled());
Waitable waitable = new Waitable() {
@Override
protected Object evaluate() {
org.bukkit.Bukkit.getPluginManager().callEvent(queueEvent);
if (queueEvent.isCancelled()) {
return null;
}
String message = String.format(queueEvent.getFormat(), queueEvent.getPlayer().getDisplayName(), queueEvent.getMessage());
PlayerConnection.this.minecraftServer.console.sendMessage(message);
if (((LazyPlayerSet) queueEvent.getRecipients()).isLazy()) {
for (Object player : PlayerConnection.this.minecraftServer.getPlayerList().players) {
((EntityPlayer) player).sendMessage(CraftChatMessage.fromString(message));
}
} else {
for (Player player : queueEvent.getRecipients()) {
player.sendMessage(message);
}
}
return null;
}};
if (async) {
minecraftServer.processQueue.add(waitable);
} else {
waitable.run();
}
try {
waitable.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt(); // This is proper habit for java. If we aren't handling it, pass it on!
} catch (ExecutionException e) {
throw new RuntimeException("Exception processing chat event", e.getCause());
}
} else {
if (event.isCancelled()) {
return;
}
// Paper Start - (Meh) Support for vanilla world scoreboard name coloring
String displayName = event.getPlayer().getDisplayName();
if (this.player.getWorld().paperConfig.useVanillaScoreboardColoring) {
displayName = ScoreboardTeam.getPlayerDisplayName(this.player.getTeam(), player.getDisplayName());
}
s = String.format(event.getFormat(), displayName, event.getMessage());
// Paper end
minecraftServer.console.sendMessage(s);
if (((LazyPlayerSet) event.getRecipients()).isLazy()) {
for (Object recipient : minecraftServer.getPlayerList().players) {
((EntityPlayer) recipient).sendMessage(CraftChatMessage.fromString(s));
}
} else {
for (Player recipient : event.getRecipients()) {
recipient.sendMessage(s);
}
}
}
}
}
// CraftBukkit end
private void handleCommand(String s) {
MinecraftTimings.playerCommandTimer.startTiming(); // Paper
// CraftBukkit start - whole method
if ( org.spigotmc.SpigotConfig.logCommands ) // Spigot
this.LOGGER.info(this.player.getName() + " issued server command: " + s);
CraftPlayer player = this.getPlayer();
PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(player, s, new LazyPlayerSet(minecraftServer));
this.server.getPluginManager().callEvent(event);
if (event.isCancelled()) {
MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
return;
}
try {
if (this.server.dispatchCommand(event.getPlayer(), event.getMessage().substring(1))) {
MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
return;
}
} catch (org.bukkit.command.CommandException ex) {
player.sendMessage(org.bukkit.ChatColor.RED + "An internal error occurred while attempting to perform this command");
java.util.logging.Logger.getLogger(PlayerConnection.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
return;
}
MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
// this.minecraftServer.getCommandHandler().a(this.player, s);
// CraftBukkit end
}
@Override
public void a(PacketPlayInArmAnimation packetplayinarmanimation) {
PlayerConnectionUtils.ensureMainThread(packetplayinarmanimation, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
this.player.resetIdleTimer();
// CraftBukkit start - Raytrace to look for 'rogue armswings'
float f1 = this.player.pitch;
float f2 = this.player.yaw;
double d0 = this.player.locX;
double d1 = this.player.locY + this.player.getHeadHeight();
double d2 = this.player.locZ;
Vec3D vec3d = new Vec3D(d0, d1, d2);
float f3 = MathHelper.cos(-f2 * 0.017453292F - 3.1415927F);
float f4 = MathHelper.sin(-f2 * 0.017453292F - 3.1415927F);
float f5 = -MathHelper.cos(-f1 * 0.017453292F);
float f6 = MathHelper.sin(-f1 * 0.017453292F);
float f7 = f4 * f5;
float f8 = f3 * f5;
double d3 = player.playerInteractManager.getGameMode()== EnumGamemode.CREATIVE ? 5.0D : 4.5D;
Vec3D vec3d1 = vec3d.add(f7 * d3, f6 * d3, f8 * d3);
MovingObjectPosition movingobjectposition = this.player.world.rayTrace(vec3d, vec3d1, false);
if (movingobjectposition == null || movingobjectposition.type != MovingObjectPosition.EnumMovingObjectType.BLOCK) {
CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_AIR, this.player.inventory.getItemInHand(), EnumHand.MAIN_HAND);
}
// Arm swing animation
PlayerAnimationEvent event = new PlayerAnimationEvent(this.getPlayer());
this.server.getPluginManager().callEvent(event);
if (event.isCancelled()) return;
// CraftBukkit end
this.player.a(packetplayinarmanimation.a());
}
@Override
public void a(PacketPlayInEntityAction packetplayinentityaction) {
PlayerConnectionUtils.ensureMainThread(packetplayinentityaction, this, this.player.x());
// CraftBukkit start
if (this.player.dead) return;
switch (packetplayinentityaction.b()) {
case START_SNEAKING:
case STOP_SNEAKING:
PlayerToggleSneakEvent event = new PlayerToggleSneakEvent(this.getPlayer(), packetplayinentityaction.b() == PacketPlayInEntityAction.EnumPlayerAction.START_SNEAKING);
this.server.getPluginManager().callEvent(event);
if (event.isCancelled()) {
return;
}
break;
case START_SPRINTING:
case STOP_SPRINTING:
PlayerToggleSprintEvent e2 = new PlayerToggleSprintEvent(this.getPlayer(), packetplayinentityaction.b() == PacketPlayInEntityAction.EnumPlayerAction.START_SPRINTING);
this.server.getPluginManager().callEvent(e2);
if (e2.isCancelled()) {
return;
}
break;
}
// CraftBukkit end
this.player.resetIdleTimer();
IJumpable ijumpable;
switch (packetplayinentityaction.b()) {
case START_SNEAKING:
this.player.setSneaking(true);
break;
case STOP_SNEAKING:
this.player.setSneaking(false);
break;
case START_SPRINTING:
this.player.setSprinting(true);
break;
case STOP_SPRINTING:
this.player.setSprinting(false);
break;
case STOP_SLEEPING:
if (this.player.isSleeping()) {
this.player.a(false, true, true);
this.teleportPos = new Vec3D(this.player.locX, this.player.locY, this.player.locZ);
}
break;
case START_RIDING_JUMP:
if (this.player.bB() instanceof IJumpable) {
ijumpable = (IJumpable) this.player.bB();
int i = packetplayinentityaction.c();
if (ijumpable.a() && i > 0) {
ijumpable.b(i);
}
}
break;
case STOP_RIDING_JUMP:
if (this.player.bB() instanceof IJumpable) {
ijumpable = (IJumpable) this.player.bB();
ijumpable.q_();
}
break;
case OPEN_INVENTORY:
if (this.player.bB() instanceof EntityHorseAbstract) {
((EntityHorseAbstract) this.player.bB()).f(this.player);
}
break;
case START_FALL_FLYING:
if (!this.player.onGround && this.player.motY < 0.0D && !this.player.cH() && !this.player.isInWater()) {
ItemStack itemstack = this.player.getEquipment(EnumItemSlot.CHEST);
if (itemstack.getItem() == Items.cS && ItemElytra.d(itemstack)) {
this.player.M();
}
} else {
this.player.N();
}
break;
default:
throw new IllegalArgumentException("Invalid client command!");
}
}
@Override
public void a(PacketPlayInUseEntity packetplayinuseentity) {
PlayerConnectionUtils.ensureMainThread(packetplayinuseentity, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
Entity entity = packetplayinuseentity.a(worldserver);
// Spigot Start
if ( entity == player && !player.isSpectator() )
{
disconnect( "Cannot interact with self!" );
return;
}
// Spigot End
this.player.resetIdleTimer();
if (entity != null) {
boolean flag = this.player.hasLineOfSight(entity);
double d0 = 36.0D;
if (!flag) {
d0 = 9.0D;
}
if (this.player.h(entity) < d0) {
EnumHand enumhand;
ItemStack itemInHand = this.player.b(packetplayinuseentity.b() == null ? EnumHand.MAIN_HAND : packetplayinuseentity.b()); // CraftBukkit
if (packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.INTERACT
|| packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.INTERACT_AT) {
// CraftBukkit start
boolean triggerLeashUpdate = itemInHand != null && itemInHand.getItem() == Items.LEAD && entity instanceof EntityInsentient;
Item origItem = this.player.inventory.getItemInHand() == null ? null : this.player.inventory.getItemInHand().getItem();
PlayerInteractEntityEvent event;
if (packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.INTERACT) {
event = new PlayerInteractEntityEvent(this.getPlayer(), entity.getBukkitEntity(), (packetplayinuseentity.b() == EnumHand.OFF_HAND) ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND);
} else {
Vec3D target = packetplayinuseentity.c();
event = new PlayerInteractAtEntityEvent(this.getPlayer(), entity.getBukkitEntity(), new org.bukkit.util.Vector(target.x, target.y, target.z), (packetplayinuseentity.b() == EnumHand.OFF_HAND) ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND);
}
this.server.getPluginManager().callEvent(event);
if (triggerLeashUpdate && (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != Items.LEAD)) {
// Refresh the current leash state
this.sendPacket(new PacketPlayOutAttachEntity(entity, ((EntityInsentient) entity).getLeashHolder()));
}
if (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != origItem) {
// Refresh the current entity metadata
this.sendPacket(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true));
}
if (event.isCancelled()) {
return;
}
// CraftBukkit end
}
if (packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.INTERACT) {
enumhand = packetplayinuseentity.b();
this.player.a(entity, enumhand);
// CraftBukkit start
if (!itemInHand.isEmpty() && itemInHand.getCount() <= -1) {
this.player.updateInventory(this.player.activeContainer);
}
// CraftBukkit end
} else if (packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.INTERACT_AT) {
enumhand = packetplayinuseentity.b();
entity.a(this.player, packetplayinuseentity.c(), enumhand);
// CraftBukkit start
if (!itemInHand.isEmpty() && itemInHand.getCount() <= -1) {
this.player.updateInventory(this.player.activeContainer);
}
// CraftBukkit end
} else if (packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.ATTACK) {
if (entity instanceof EntityItem || entity instanceof EntityExperienceOrb || entity instanceof EntityArrow || (entity == this.player && !player.isSpectator())) { // CraftBukkit
this.disconnect("Attempting to attack an invalid entity");
this.minecraftServer.warning("Player " + this.player.getName() + " tried to attack an invalid entity");
return;
}
this.player.attack(entity);
// CraftBukkit start
if (!itemInHand.isEmpty() && itemInHand.getCount() <= -1) {
this.player.updateInventory(this.player.activeContainer);
}
// CraftBukkit end
}
}
}
// Paper start - fire event
else {
this.server.getPluginManager().callEvent(new com.destroystokyo.paper.event.player.PlayerUseUnknownEntityEvent(
this.getPlayer(),
packetplayinuseentity.getEntityId(),
packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.ATTACK,
packetplayinuseentity.b() == EnumHand.MAIN_HAND ? EquipmentSlot.HAND : EquipmentSlot.OFF_HAND
));
}
// Paper end
}
@Override
public void a(PacketPlayInClientCommand packetplayinclientcommand) {
PlayerConnectionUtils.ensureMainThread(packetplayinclientcommand, this, this.player.x());
this.player.resetIdleTimer();
PacketPlayInClientCommand.EnumClientCommand packetplayinclientcommand_enumclientcommand = packetplayinclientcommand.a();
switch (packetplayinclientcommand_enumclientcommand) {
case PERFORM_RESPAWN:
if (this.player.viewingCredits) {
this.player.viewingCredits = false;
// this.player = this.minecraftServer.getPlayerList().moveToWorld(this.player, 0, true);
this.minecraftServer.getPlayerList().changeDimension(this.player, 0, PlayerTeleportEvent.TeleportCause.END_PORTAL); // CraftBukkit - reroute logic through custom portal management
} else {
if (this.player.getHealth() > 0.0F) {
return;
}
this.player = this.minecraftServer.getPlayerList().moveToWorld(this.player, 0, false);
if (this.minecraftServer.isHardcore()) {
this.player.a(EnumGamemode.SPECTATOR);
this.player.x().getGameRules().set("spectatorsGenerateChunks", "false");
}
}
break;
case REQUEST_STATS:
this.player.getStatisticManager().a(this.player);
break;
case OPEN_INVENTORY_ACHIEVEMENT:
this.player.b(AchievementList.f);
}
}
@Override
public void a(PacketPlayInCloseWindow packetplayinclosewindow) {
PlayerConnectionUtils.ensureMainThread(packetplayinclosewindow, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
CraftEventFactory.handleInventoryCloseEvent(this.player); // CraftBukkit
this.player.s();
}
@Override
public void a(PacketPlayInWindowClick packetplayinwindowclick) {
PlayerConnectionUtils.ensureMainThread(packetplayinwindowclick, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
this.player.resetIdleTimer();
if (this.player.activeContainer.windowId == packetplayinwindowclick.a() && this.player.activeContainer.c(this.player) && this.player.activeContainer.a(this.player)) { // CraftBukkit
boolean cancelled = this.player.isSpectator(); // CraftBukkit - see below if
if (false/*this.player.isSpectator()*/) { // CraftBukkit
NonNullList nonnulllist = NonNullList.a();
for (int i = 0; i < this.player.activeContainer.c.size(); ++i) {
nonnulllist.add(this.player.activeContainer.c.get(i).getItem());
}
this.player.a(this.player.activeContainer, nonnulllist);
} else {
// CraftBukkit start - Call InventoryClickEvent
if (packetplayinwindowclick.b() < -1 && packetplayinwindowclick.b() != -999) {
return;
}
InventoryView inventory = this.player.activeContainer.getBukkitView();
SlotType type = CraftInventoryView.getSlotType(inventory, packetplayinwindowclick.b());
InventoryClickEvent event;
ClickType click = ClickType.UNKNOWN;
InventoryAction action = InventoryAction.UNKNOWN;
ItemStack itemstack = ItemStack.a;
switch (packetplayinwindowclick.f()) {
case PICKUP:
if (packetplayinwindowclick.c() == 0) {
click = ClickType.LEFT;
} else if (packetplayinwindowclick.c() == 1) {
click = ClickType.RIGHT;
}
if (packetplayinwindowclick.c() == 0 || packetplayinwindowclick.c() == 1) {
action = InventoryAction.NOTHING; // Don't want to repeat ourselves
if (packetplayinwindowclick.b() == -999) {
if (!player.inventory.getCarried().isEmpty()) {
action = packetplayinwindowclick.c() == 0 ? InventoryAction.DROP_ALL_CURSOR : InventoryAction.DROP_ONE_CURSOR;
}
} else if (packetplayinwindowclick.b() < 0) {
action = InventoryAction.NOTHING;
} else {
Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (slot != null) {
ItemStack clickedItem = slot.getItem();
ItemStack cursor = player.inventory.getCarried();
if (clickedItem.isEmpty()) {
if (!cursor.isEmpty()) {
action = packetplayinwindowclick.c() == 0 ? InventoryAction.PLACE_ALL : InventoryAction.PLACE_ONE;
}
} else if (slot.isAllowed(player)) {
if (cursor.isEmpty()) {
action = packetplayinwindowclick.c() == 0 ? InventoryAction.PICKUP_ALL : InventoryAction.PICKUP_HALF;
} else if (slot.isAllowed(cursor)) {
if (clickedItem.doMaterialsMatch(cursor) && ItemStack.equals(clickedItem, cursor)) {
int toPlace = packetplayinwindowclick.c() == 0 ? cursor.getCount() : 1;
toPlace = Math.min(toPlace, clickedItem.getMaxStackSize() - clickedItem.getCount());
toPlace = Math.min(toPlace, slot.inventory.getMaxStackSize() - clickedItem.getCount());
if (toPlace == 1) {
action = InventoryAction.PLACE_ONE;
} else if (toPlace == cursor.getCount()) {
action = InventoryAction.PLACE_ALL;
} else if (toPlace < 0) {
action = toPlace != -1 ? InventoryAction.PICKUP_SOME : InventoryAction.PICKUP_ONE; // this happens with oversized stacks
} else if (toPlace != 0) {
action = InventoryAction.PLACE_SOME;
}
} else if (cursor.getCount() <= slot.getMaxStackSize()) {
action = InventoryAction.SWAP_WITH_CURSOR;
}
} else if (cursor.getItem() == clickedItem.getItem() && (!cursor.usesData() || cursor.getData() == clickedItem.getData()) && ItemStack.equals(cursor, clickedItem)) {
if (clickedItem.getCount() >= 0) {
if (clickedItem.getCount() + cursor.getCount() <= cursor.getMaxStackSize()) {
// As of 1.5, this is result slots only
action = InventoryAction.PICKUP_ALL;
}
}
}
}
}
}
}
break;
// TODO check on updates
case QUICK_MOVE:
if (packetplayinwindowclick.c() == 0) {
click = ClickType.SHIFT_LEFT;
} else if (packetplayinwindowclick.c() == 1) {
click = ClickType.SHIFT_RIGHT;
}
if (packetplayinwindowclick.c() == 0 || packetplayinwindowclick.c() == 1) {
if (packetplayinwindowclick.b() < 0) {
action = InventoryAction.NOTHING;
} else {
Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (slot != null && slot.isAllowed(this.player) && slot.hasItem()) {
action = InventoryAction.MOVE_TO_OTHER_INVENTORY;
} else {
action = InventoryAction.NOTHING;
}
}
}
break;
case SWAP:
if (packetplayinwindowclick.c() >= 0 && packetplayinwindowclick.c() < 9) {
click = ClickType.NUMBER_KEY;
Slot clickedSlot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (clickedSlot.isAllowed(player)) {
ItemStack hotbar = this.player.inventory.getItem(packetplayinwindowclick.c());
boolean canCleanSwap = hotbar.isEmpty() || (clickedSlot.inventory == player.inventory && clickedSlot.isAllowed(hotbar)); // the slot will accept the hotbar item
if (clickedSlot.hasItem()) {
if (canCleanSwap) {
action = InventoryAction.HOTBAR_SWAP;
} else {
action = InventoryAction.HOTBAR_MOVE_AND_READD;
}
} else if (!clickedSlot.hasItem() && !hotbar.isEmpty() && clickedSlot.isAllowed(hotbar)) {
action = InventoryAction.HOTBAR_SWAP;
} else {
action = InventoryAction.NOTHING;
}
} else {
action = InventoryAction.NOTHING;
}
}
break;
case CLONE:
if (packetplayinwindowclick.c() == 2) {
click = ClickType.MIDDLE;
if (packetplayinwindowclick.b() < 0) { // Paper - GH-404
action = InventoryAction.NOTHING;
} else {
Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (slot != null && slot.hasItem() && player.abilities.canInstantlyBuild && player.inventory.getCarried().isEmpty()) {
action = InventoryAction.CLONE_STACK;
} else {
action = InventoryAction.NOTHING;
}
}
} else {
click = ClickType.UNKNOWN;
action = InventoryAction.UNKNOWN;
}
break;
case THROW:
if (packetplayinwindowclick.b() >= 0) {
if (packetplayinwindowclick.c() == 0) {
click = ClickType.DROP;
Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (slot != null && slot.hasItem() && slot.isAllowed(player) && !slot.getItem().isEmpty() && slot.getItem().getItem() != Item.getItemOf(Blocks.AIR)) {
action = InventoryAction.DROP_ONE_SLOT;
} else {
action = InventoryAction.NOTHING;
}
} else if (packetplayinwindowclick.c() == 1) {
click = ClickType.CONTROL_DROP;
Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
if (slot != null && slot.hasItem() && slot.isAllowed(player) && !slot.getItem().isEmpty() && slot.getItem().getItem() != Item.getItemOf(Blocks.AIR)) {
action = InventoryAction.DROP_ALL_SLOT;
} else {
action = InventoryAction.NOTHING;
}
}
} else {
// Sane default (because this happens when they are holding nothing. Don't ask why.)
click = ClickType.LEFT;
if (packetplayinwindowclick.c() == 1) {
click = ClickType.RIGHT;
}
action = InventoryAction.NOTHING;
}
break;
case QUICK_CRAFT:
itemstack = this.player.activeContainer.a(packetplayinwindowclick.b(), packetplayinwindowclick.c(), packetplayinwindowclick.f(), this.player);
break;
case PICKUP_ALL:
click = ClickType.DOUBLE_CLICK;
action = InventoryAction.NOTHING;
if (packetplayinwindowclick.b() >= 0 && !this.player.inventory.getCarried().isEmpty()) {
ItemStack cursor = this.player.inventory.getCarried();
action = InventoryAction.NOTHING;
// Quick check for if we have any of the item
if (inventory.getTopInventory().contains(org.bukkit.Material.getMaterial(Item.getId(cursor.getItem()))) || inventory.getBottomInventory().contains(org.bukkit.Material.getMaterial(Item.getId(cursor.getItem())))) {
action = InventoryAction.COLLECT_TO_CURSOR;
}
}
break;
default:
break;
}
if (packetplayinwindowclick.f() != InventoryClickType.QUICK_CRAFT) {
if (click == ClickType.NUMBER_KEY) {
event = new InventoryClickEvent(inventory, type, packetplayinwindowclick.b(), click, action, packetplayinwindowclick.c());
} else {
event = new InventoryClickEvent(inventory, type, packetplayinwindowclick.b(), click, action);
}
org.bukkit.inventory.Inventory top = inventory.getTopInventory();
if (packetplayinwindowclick.b() == 0 && top instanceof CraftingInventory) {
org.bukkit.inventory.Recipe recipe = ((CraftingInventory) top).getRecipe();
if (recipe != null) {
if (click == ClickType.NUMBER_KEY) {
event = new CraftItemEvent(recipe, inventory, type, packetplayinwindowclick.b(), click, action, packetplayinwindowclick.c());
} else {
event = new CraftItemEvent(recipe, inventory, type, packetplayinwindowclick.b(), click, action);
}
}
}
event.setCancelled(cancelled);
Container oldContainer = this.player.activeContainer; // SPIGOT-1224
server.getPluginManager().callEvent(event);
if (this.player.activeContainer != oldContainer) {
return;
}
switch (event.getResult()) {
case ALLOW:
case DEFAULT:
itemstack = this.player.activeContainer.a(packetplayinwindowclick.b(), packetplayinwindowclick.c(), packetplayinwindowclick.f(), this.player);
break;
case DENY:
/* Needs enum constructor in InventoryAction
if (action.modifiesOtherSlots()) {
} else {
if (action.modifiesCursor()) {
this.player.playerConnection.sendPacket(new Packet103SetSlot(-1, -1, this.player.inventory.getCarried()));
}
if (action.modifiesClicked()) {
this.player.playerConnection.sendPacket(new Packet103SetSlot(this.player.activeContainer.windowId, packet102windowclick.slot, this.player.activeContainer.getSlot(packet102windowclick.slot).getItem()));
}
}*/
switch (action) {
// Modified other slots
case PICKUP_ALL:
case MOVE_TO_OTHER_INVENTORY:
case HOTBAR_MOVE_AND_READD:
case HOTBAR_SWAP:
case COLLECT_TO_CURSOR:
case UNKNOWN:
this.player.updateInventory(this.player.activeContainer);
break;
// Modified cursor and clicked
case PICKUP_SOME:
case PICKUP_HALF:
case PICKUP_ONE:
case PLACE_ALL:
case PLACE_SOME:
case PLACE_ONE:
case SWAP_WITH_CURSOR:
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, this.player.inventory.getCarried()));
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.activeContainer.windowId, packetplayinwindowclick.b(), this.player.activeContainer.getSlot(packetplayinwindowclick.b()).getItem()));
break;
// Modified clicked only
case DROP_ALL_SLOT:
case DROP_ONE_SLOT:
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.activeContainer.windowId, packetplayinwindowclick.b(), this.player.activeContainer.getSlot(packetplayinwindowclick.b()).getItem()));
break;
// Modified cursor only
case DROP_ALL_CURSOR:
case DROP_ONE_CURSOR:
case CLONE_STACK:
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, this.player.inventory.getCarried()));
break;
// Nothing
case NOTHING:
break;
}
return;
}
if (event instanceof CraftItemEvent) {
// Need to update the inventory on crafting to
// correctly support custom recipes
player.updateInventory(player.activeContainer);
}
}
// CraftBukkit end
if (ItemStack.matches(packetplayinwindowclick.e(), itemstack)) {
this.player.playerConnection.sendPacket(new PacketPlayOutTransaction(packetplayinwindowclick.a(), packetplayinwindowclick.d(), true));
this.player.f = true;
this.player.activeContainer.b();
this.player.broadcastCarriedItem();
this.player.f = false;
} else {
this.k.put(this.player.activeContainer.windowId, Short.valueOf(packetplayinwindowclick.d()));
this.player.playerConnection.sendPacket(new PacketPlayOutTransaction(packetplayinwindowclick.a(), packetplayinwindowclick.d(), false));
this.player.activeContainer.a(this.player, false);
NonNullList nonnulllist1 = NonNullList.a();
for (int j = 0; j < this.player.activeContainer.c.size(); ++j) {
ItemStack itemstack1 = this.player.activeContainer.c.get(j).getItem();
ItemStack itemstack2 = itemstack1.isEmpty() ? ItemStack.a : itemstack1;
nonnulllist1.add(itemstack2);
}
this.player.a(this.player.activeContainer, nonnulllist1);
}
}
}
}
@Override
public void a(PacketPlayInEnchantItem packetplayinenchantitem) {
PlayerConnectionUtils.ensureMainThread(packetplayinenchantitem, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
this.player.resetIdleTimer();
if (this.player.activeContainer.windowId == packetplayinenchantitem.a() && this.player.activeContainer.c(this.player) && !this.player.isSpectator()) {
this.player.activeContainer.a(this.player, packetplayinenchantitem.b());
this.player.activeContainer.b();
}
}
@Override
public void a(PacketPlayInSetCreativeSlot packetplayinsetcreativeslot) {
PlayerConnectionUtils.ensureMainThread(packetplayinsetcreativeslot, this, this.player.x());
if (this.player.playerInteractManager.isCreative()) {
boolean flag = packetplayinsetcreativeslot.a() < 0;
ItemStack itemstack = packetplayinsetcreativeslot.getItemStack();
if (!itemstack.isEmpty() && itemstack.hasTag() && itemstack.getTag().hasKeyOfType("BlockEntityTag", 10)) {
NBTTagCompound nbttagcompound = itemstack.getTag().getCompound("BlockEntityTag");
if (nbttagcompound.hasKey("x") && nbttagcompound.hasKey("y") && nbttagcompound.hasKey("z")) {
BlockPosition blockposition = new BlockPosition(nbttagcompound.getInt("x"), nbttagcompound.getInt("y"), nbttagcompound.getInt("z"));
TileEntity tileentity = this.player.world.getTileEntity(blockposition);
if (tileentity != null) {
NBTTagCompound nbttagcompound1 = tileentity.save(new NBTTagCompound());
nbttagcompound1.remove("x");
nbttagcompound1.remove("y");
nbttagcompound1.remove("z");
itemstack.a("BlockEntityTag", nbttagcompound1);
}
}
}
boolean flag1 = packetplayinsetcreativeslot.a() >= 1 && packetplayinsetcreativeslot.a() <= 45;
// CraftBukkit - Add invalidItems check
boolean flag2 = itemstack.isEmpty() || itemstack.getData() >= 0 && itemstack.getCount() <= 64 && !itemstack.isEmpty() && (!invalidItems.contains(Item.getId(itemstack.getItem())) || !org.spigotmc.SpigotConfig.filterCreativeItems); // Spigot
if (flag || (flag1 && !ItemStack.matches(this.player.defaultContainer.getSlot(packetplayinsetcreativeslot.a()).getItem(), packetplayinsetcreativeslot.getItemStack()))) { // Insist on valid slot
// CraftBukkit start - Call click event
org.bukkit.entity.HumanEntity player = this.player.getBukkitEntity();
InventoryView inventory = new CraftInventoryView(player, player.getInventory(), this.player.defaultContainer);
org.bukkit.inventory.ItemStack item = CraftItemStack.asBukkitCopy(packetplayinsetcreativeslot.getItemStack());
SlotType type = SlotType.QUICKBAR;
if (flag) {
type = SlotType.OUTSIDE;
} else if (packetplayinsetcreativeslot.a() < 36) {
if (packetplayinsetcreativeslot.a() >= 5 && packetplayinsetcreativeslot.a() < 9) {
type = SlotType.ARMOR;
} else {
type = SlotType.CONTAINER;
}
}
InventoryCreativeEvent event = new InventoryCreativeEvent(inventory, type, flag ? -999 : packetplayinsetcreativeslot.a(), item);
server.getPluginManager().callEvent(event);
itemstack = CraftItemStack.asNMSCopy(event.getCursor());
switch (event.getResult()) {
case ALLOW:
// Plugin cleared the id / stacksize checks
flag2 = true;
break;
case DEFAULT:
break;
case DENY:
// Reset the slot
if (packetplayinsetcreativeslot.a() >= 0) {
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.defaultContainer.windowId, packetplayinsetcreativeslot.a(), this.player.defaultContainer.getSlot(packetplayinsetcreativeslot.a()).getItem()));
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, ItemStack.a));
}
return;
}
}
// CraftBukkit end
if (flag1 && flag2) {
if (itemstack.isEmpty()) {
this.player.defaultContainer.setItem(packetplayinsetcreativeslot.a(), ItemStack.a);
} else {
this.player.defaultContainer.setItem(packetplayinsetcreativeslot.a(), itemstack);
}
this.player.defaultContainer.a(this.player, true);
} else if (flag && flag2 && this.j < 200) {
this.j += 20;
EntityItem entityitem = this.player.drop(itemstack, true);
if (entityitem != null) {
entityitem.j();
}
}
}
}
@Override
public void a(PacketPlayInTransaction packetplayintransaction) {
PlayerConnectionUtils.ensureMainThread(packetplayintransaction, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
Short oshort = this.k.get(this.player.activeContainer.windowId);
if (oshort != null && packetplayintransaction.b() == oshort.shortValue() && this.player.activeContainer.windowId == packetplayintransaction.a() && !this.player.activeContainer.c(this.player) && !this.player.isSpectator()) {
this.player.activeContainer.a(this.player, true);
}
}
@Override
public void a(PacketPlayInUpdateSign packetplayinupdatesign) {
PlayerConnectionUtils.ensureMainThread(packetplayinupdatesign, this, this.player.x());
if (this.player.isFrozen()) return; // CraftBukkit
this.player.resetIdleTimer();
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
BlockPosition blockposition = packetplayinupdatesign.a();
if (worldserver.isLoaded(blockposition)) {
IBlockData iblockdata = worldserver.getType(blockposition);
TileEntity tileentity = worldserver.getTileEntity(blockposition);
if (!(tileentity instanceof TileEntitySign)) {
return;
}
TileEntitySign tileentitysign = (TileEntitySign) tileentity;
if (!tileentitysign.a() || tileentitysign.e() != this.player) {
this.minecraftServer.warning("Player " + this.player.getName() + " just tried to change non-editable sign");
this.sendPacket(tileentity.getUpdatePacket()); // CraftBukkit
return;
}
String[] astring = packetplayinupdatesign.b();
// CraftBukkit start
Player player = this.server.getPlayer(this.player);
int x = packetplayinupdatesign.a().getX();
int y = packetplayinupdatesign.a().getY();
int z = packetplayinupdatesign.a().getZ();
String[] lines = new String[4];
for (int i = 0; i < astring.length; ++i) {
lines[i] = EnumChatFormat.a(new ChatComponentText(EnumChatFormat.a(astring[i])).toPlainText());
}
SignChangeEvent event = new SignChangeEvent(player.getWorld().getBlockAt(x, y, z), this.server.getPlayer(this.player), lines);
this.server.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
System.arraycopy(org.bukkit.craftbukkit.block.CraftSign.sanitizeLines(event.getLines()), 0, tileentitysign.lines, 0, 4);
tileentitysign.isEditable = false;
}
// CraftBukkit end
tileentitysign.update();
worldserver.notify(blockposition, iblockdata, iblockdata, 3);
}
}
@Override
public void a(PacketPlayInKeepAlive packetplayinkeepalive) {
if (packetplayinkeepalive.a() == this.f) {
int i = (int) (this.e() - this.g);
this.player.ping = (this.player.ping * 3 + i) / 4;
}
}
private long e() {
return System.nanoTime() / 1000000L;
}
@Override
public void a(PacketPlayInAbilities packetplayinabilities) {
PlayerConnectionUtils.ensureMainThread(packetplayinabilities, this, this.player.x());
// CraftBukkit start
if (this.player.abilities.canFly && this.player.abilities.isFlying != packetplayinabilities.isFlying()) {
PlayerToggleFlightEvent event = new PlayerToggleFlightEvent(this.server.getPlayer(this.player), packetplayinabilities.isFlying());
this.server.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
this.player.abilities.isFlying = packetplayinabilities.isFlying(); // Actually set the player's flying status
} else {
this.player.updateAbilities(); // Tell the player their ability was reverted
}
}
// CraftBukkit end
}
@Override
public void a(PacketPlayInTabComplete packetplayintabcomplete) {
PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.x());
// CraftBukkit start
if (chatSpamField.addAndGet(this, 10) > 500 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
this.disconnect("disconnect.spam");
return;
}
// CraftBukkit end
ArrayList arraylist = Lists.newArrayList();
Iterator iterator = this.minecraftServer.tabCompleteCommand(this.player, packetplayintabcomplete.a(), packetplayintabcomplete.b(), packetplayintabcomplete.c()).iterator();
while (iterator.hasNext()) {
String s = (String) iterator.next();
arraylist.add(s);
}
this.player.playerConnection.sendPacket(new PacketPlayOutTabComplete((String[]) arraylist.toArray(new String[arraylist.size()])));
}
@Override
public void a(PacketPlayInSettings packetplayinsettings) {
PlayerConnectionUtils.ensureMainThread(packetplayinsettings, this, this.player.x());
this.player.a(packetplayinsettings);
}
@Override
public void a(PacketPlayInCustomPayload packetplayincustompayload) {
PlayerConnectionUtils.ensureMainThread(packetplayincustompayload, this, this.player.x());
String s = packetplayincustompayload.a();
PacketDataSerializer packetdataserializer;
ItemStack itemstack;
ItemStack itemstack1;
if ("MC|BEdit".equals(s)) {
// CraftBukkit start
if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
this.disconnect("Book edited too quickly!");
return;
}
this.lastBookTick = MinecraftServer.currentTick;
// CraftBukkit end
packetdataserializer = packetplayincustompayload.b();
try {
itemstack = packetdataserializer.k();
if (itemstack.isEmpty()) {
return;
}
if (!ItemBookAndQuill.b(itemstack.getTag())) {
throw new IOException("Invalid book tag!");
}
itemstack1 = this.player.getItemInMainHand();
if (itemstack1.isEmpty()) {
return;
}
if (itemstack.getItem() == Items.WRITABLE_BOOK && itemstack.getItem() == itemstack1.getItem()) {
itemstack1 = new ItemStack(Items.WRITABLE_BOOK); // CraftBukkit
itemstack1.a("pages", itemstack.getTag().getList("pages", 8));
CraftEventFactory.handleEditBookEvent(player, itemstack1); // CraftBukkit
}
} catch (Exception exception) {
IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookEdit", "Invalid book data!", exception); // Paper
}
} else {
String s1;
if ("MC|BSign".equals(s)) {
// CraftBukkit start
if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
this.disconnect("Book edited too quickly!");
return;
}
this.lastBookTick = MinecraftServer.currentTick;
// CraftBukkit end
packetdataserializer = packetplayincustompayload.b();
try {
itemstack = packetdataserializer.k();
if (itemstack.isEmpty()) {
return;
}
if (!ItemWrittenBook.b(itemstack.getTag())) {
throw new IOException("Invalid book tag!");
}
itemstack1 = this.player.getItemInMainHand();
if (itemstack1.isEmpty()) {
return;
}
if (itemstack.getItem() == Items.WRITABLE_BOOK && itemstack1.getItem() == Items.WRITABLE_BOOK) {
ItemStack itemstack2 = new ItemStack(Items.WRITTEN_BOOK);
itemstack2.a("author", (new NBTTagString(this.player.getName())));
itemstack2.a("title", (new NBTTagString(itemstack.getTag().getString("title"))));
NBTTagList nbttaglist = itemstack.getTag().getList("pages", 8);
for (int i = 0; i < nbttaglist.size(); ++i) {
s1 = nbttaglist.getString(i);
ChatComponentText chatcomponenttext = new ChatComponentText(s1);
s1 = IChatBaseComponent.ChatSerializer.a(chatcomponenttext);
nbttaglist.a(i, new NBTTagString(s1));
}
itemstack2.a("pages", nbttaglist);
CraftEventFactory.handleEditBookEvent(player, itemstack2); // CraftBukkit
}
} catch (Exception exception1) {
IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookSign", "Invalid book data!", exception1); // Paper
}
} else if ("MC|TrSel".equals(s)) {
try {
int j = packetplayincustompayload.b().readInt();
Container container = this.player.activeContainer;
if (container instanceof ContainerMerchant) {
((ContainerMerchant) container).d(j);
}
} catch (Exception exception2) {
IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidTrade", "Invalid trade data!", exception2); // Paper
}
} else {
TileEntity tileentity;
if ("MC|AdvCmd".equals(s)) {
if (!this.minecraftServer.getEnableCommandBlock()) {
this.player.sendMessage(new ChatMessage("advMode.notEnabled", new Object[0]));
return;
}
if (!this.player.dk()) {
this.player.sendMessage(new ChatMessage("advMode.notAllowed", new Object[0]));
return;
}
packetdataserializer = packetplayincustompayload.b();
try {
byte b0 = packetdataserializer.readByte();
CommandBlockListenerAbstract commandblocklistenerabstract = null;
if (b0 == 0) {
tileentity = this.player.world.getTileEntity(new BlockPosition(packetdataserializer.readInt(), packetdataserializer.readInt(), packetdataserializer.readInt()));
if (tileentity instanceof TileEntityCommand) {
commandblocklistenerabstract = ((TileEntityCommand) tileentity).getCommandBlock();
}
} else if (b0 == 1) {
Entity entity = this.player.world.getEntity(packetdataserializer.readInt());
if (entity instanceof EntityMinecartCommandBlock) {
commandblocklistenerabstract = ((EntityMinecartCommandBlock) entity).getCommandBlock();
}
}
String s2 = packetdataserializer.e(packetdataserializer.readableBytes());
boolean flag = packetdataserializer.readBoolean();
if (commandblocklistenerabstract != null) {
commandblocklistenerabstract.setCommand(s2);
commandblocklistenerabstract.a(flag);
if (!flag) {
commandblocklistenerabstract.b((IChatBaseComponent) null);
}
commandblocklistenerabstract.i();
this.player.sendMessage(new ChatMessage("advMode.setCommand.success", new Object[] { s2}));
}
} catch (Exception exception3) {
PlayerConnection.LOGGER.error("Couldn\'t set command block", exception3);
this.disconnect("Invalid command data!"); // CraftBukkit
}
} else if ("MC|AutoCmd".equals(s)) {
if (!this.minecraftServer.getEnableCommandBlock()) {
this.player.sendMessage(new ChatMessage("advMode.notEnabled", new Object[0]));
return;
}
if (!this.player.dk()) {
this.player.sendMessage(new ChatMessage("advMode.notAllowed", new Object[0]));
return;
}
packetdataserializer = packetplayincustompayload.b();
try {
CommandBlockListenerAbstract commandblocklistenerabstract1 = null;
TileEntityCommand tileentitycommand = null;
BlockPosition blockposition = new BlockPosition(packetdataserializer.readInt(), packetdataserializer.readInt(), packetdataserializer.readInt());
TileEntity tileentity1 = this.player.world.getTileEntity(blockposition);
if (tileentity1 instanceof TileEntityCommand) {
tileentitycommand = (TileEntityCommand) tileentity1;
commandblocklistenerabstract1 = tileentitycommand.getCommandBlock();
}
String s3 = packetdataserializer.e(packetdataserializer.readableBytes());
boolean flag1 = packetdataserializer.readBoolean();
TileEntityCommand.Type tileentitycommand_type = TileEntityCommand.Type.valueOf(packetdataserializer.e(16));
boolean flag2 = packetdataserializer.readBoolean();
boolean flag3 = packetdataserializer.readBoolean();
if (commandblocklistenerabstract1 != null) {
EnumDirection enumdirection = this.player.world.getType(blockposition).get(BlockCommand.a);
IBlockData iblockdata;
switch (tileentitycommand_type) {
case SEQUENCE:
iblockdata = Blocks.dd.getBlockData();
this.player.world.setTypeAndData(blockposition, iblockdata.set(BlockCommand.a, enumdirection).set(BlockCommand.b, Boolean.valueOf(flag2)), 2);
break;
case AUTO:
iblockdata = Blocks.dc.getBlockData();
this.player.world.setTypeAndData(blockposition, iblockdata.set(BlockCommand.a, enumdirection).set(BlockCommand.b, Boolean.valueOf(flag2)), 2);
break;
case REDSTONE:
iblockdata = Blocks.COMMAND_BLOCK.getBlockData();
this.player.world.setTypeAndData(blockposition, iblockdata.set(BlockCommand.a, enumdirection).set(BlockCommand.b, Boolean.valueOf(flag2)), 2);
}
tileentity1.A();
this.player.world.setTileEntity(blockposition, tileentity1);
commandblocklistenerabstract1.setCommand(s3);
commandblocklistenerabstract1.a(flag1);
if (!flag1) {
commandblocklistenerabstract1.b((IChatBaseComponent) null);
}
tileentitycommand.b(flag3);
commandblocklistenerabstract1.i();
if (!UtilColor.b(s3)) {
this.player.sendMessage(new ChatMessage("advMode.setCommand.success", new Object[] { s3}));
}
}
} catch (Exception exception4) {
PlayerConnection.LOGGER.error("Couldn\'t set command block", exception4);
this.disconnect("Invalid command data!"); // CraftBukkit
}
} else {
int k;
if ("MC|Beacon".equals(s)) {
if (this.player.activeContainer instanceof ContainerBeacon) {
try {
packetdataserializer = packetplayincustompayload.b();
k = packetdataserializer.readInt();
int l = packetdataserializer.readInt();
ContainerBeacon containerbeacon = (ContainerBeacon) this.player.activeContainer;
Slot slot = containerbeacon.getSlot(0);
if (slot.hasItem()) {
slot.a(1);
IInventory iinventory = containerbeacon.e();
iinventory.setProperty(1, k);
iinventory.setProperty(2, l);
iinventory.update();
}
} catch (Exception exception5) {
IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBeacon", "Invalid beacon data!", exception5); // Paper
}
}
} else if ("MC|ItemName".equals(s)) {
if (this.player.activeContainer instanceof ContainerAnvil) {
ContainerAnvil containeranvil = (ContainerAnvil) this.player.activeContainer;
if (packetplayincustompayload.b() != null && packetplayincustompayload.b().readableBytes() >= 1) {
String s4 = SharedConstants.a(packetplayincustompayload.b().e(32767));
if (s4.length() <= 31) { // Paper - MC-112017
if (!s4.isEmpty() || containeranvil.getSlot(2).getItem().isEmpty()) containeranvil.a(s4); // Paper - Hack Fix for MC-111699
}
} else {
containeranvil.a("");
}
}
} else if ("MC|Struct".equals(s)) {
if (!this.player.dk()) {
return;
}
packetdataserializer = packetplayincustompayload.b();
try {
BlockPosition blockposition1 = new BlockPosition(packetdataserializer.readInt(), packetdataserializer.readInt(), packetdataserializer.readInt());
IBlockData iblockdata1 = this.player.world.getType(blockposition1);
tileentity = this.player.world.getTileEntity(blockposition1);
if (tileentity instanceof TileEntityStructure) {
TileEntityStructure tileentitystructure = (TileEntityStructure) tileentity;
byte b1 = packetdataserializer.readByte();
s1 = packetdataserializer.e(32);
tileentitystructure.a(TileEntityStructure.UsageMode.valueOf(s1));
tileentitystructure.a(packetdataserializer.e(64));
int i1 = MathHelper.clamp(packetdataserializer.readInt(), -32, 32);
int j1 = MathHelper.clamp(packetdataserializer.readInt(), -32, 32);
int k1 = MathHelper.clamp(packetdataserializer.readInt(), -32, 32);
tileentitystructure.b(new BlockPosition(i1, j1, k1));
int l1 = MathHelper.clamp(packetdataserializer.readInt(), 0, 32);
int i2 = MathHelper.clamp(packetdataserializer.readInt(), 0, 32);
int j2 = MathHelper.clamp(packetdataserializer.readInt(), 0, 32);
tileentitystructure.c(new BlockPosition(l1, i2, j2));
String s5 = packetdataserializer.e(32);
tileentitystructure.b(EnumBlockMirror.valueOf(s5));
String s6 = packetdataserializer.e(32);
tileentitystructure.b(EnumBlockRotation.valueOf(s6));
tileentitystructure.b(packetdataserializer.e(128));
tileentitystructure.a(packetdataserializer.readBoolean());
tileentitystructure.e(packetdataserializer.readBoolean());
tileentitystructure.f(packetdataserializer.readBoolean());
tileentitystructure.a(MathHelper.a(packetdataserializer.readFloat(), 0.0F, 1.0F));
tileentitystructure.a(packetdataserializer.h());
String s7 = tileentitystructure.a();
if (b1 == 2) {
if (tileentitystructure.q()) {
this.player.a((new ChatMessage("structure_block.save_success", new Object[] { s7})), false);
} else {
this.player.a((new ChatMessage("structure_block.save_failure", new Object[] { s7})), false);
}
} else if (b1 == 3) {
if (!tileentitystructure.E()) {
this.player.a((new ChatMessage("structure_block.load_not_found", new Object[] { s7})), false);
} else if (tileentitystructure.r()) {
this.player.a((new ChatMessage("structure_block.load_success", new Object[] { s7})), false);
} else {
this.player.a((new ChatMessage("structure_block.load_prepare", new Object[] { s7})), false);
}
} else if (b1 == 4) {
if (tileentitystructure.p()) {
this.player.a((new ChatMessage("structure_block.size_success", new Object[] { s7})), false);
} else {
this.player.a((new ChatMessage("structure_block.size_failure", new Object[0])), false);
}
}
tileentitystructure.update();
this.player.world.notify(blockposition1, iblockdata1, iblockdata1, 3);
}
} catch (Exception exception6) {
PlayerConnection.LOGGER.error("Couldn\'t set structure block", exception6);
this.disconnect("Invalid structure data!"); // CraftBukkit
}
} else if ("MC|PickItem".equals(s)) {
packetdataserializer = packetplayincustompayload.b();
try {
k = packetdataserializer.g();
this.player.inventory.d(k);
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-2, this.player.inventory.itemInHandIndex, this.player.inventory.getItem(this.player.inventory.itemInHandIndex)));
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-2, k, this.player.inventory.getItem(k)));
this.player.playerConnection.sendPacket(new PacketPlayOutHeldItemSlot(this.player.inventory.itemInHandIndex));
} catch (Exception exception7) {
IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidPickItem", "Invalid PickItem", exception7); // Paper
}
}
// CraftBukkit start
else if (packetplayincustompayload.a().equals("REGISTER")) {
try {
String channels = packetplayincustompayload.b().toString(com.google.common.base.Charsets.UTF_8);
for (String channel : channels.split("\0")) {
getPlayer().addChannel(channel);
}
} catch (Exception ex) {
PlayerConnection.LOGGER.error("Couldn\'t register custom payload", ex);
this.disconnect("Invalid payload REGISTER!");
}
} else if (packetplayincustompayload.a().equals("UNREGISTER")) {
try {
String channels = packetplayincustompayload.b().toString(com.google.common.base.Charsets.UTF_8);
for (String channel : channels.split("\0")) {
getPlayer().removeChannel(channel);
}
} catch (Exception ex) {
PlayerConnection.LOGGER.error("Couldn\'t unregister custom payload", ex);
this.disconnect("Invalid payload UNREGISTER!");
}
} else {
try {
byte[] data = new byte[packetplayincustompayload.b().readableBytes()];
packetplayincustompayload.b().readBytes(data);
server.getMessenger().dispatchIncomingMessage(player.getBukkitEntity(), packetplayincustompayload.a(), data);
} catch (Exception ex) {
PlayerConnection.LOGGER.error("Couldn\'t dispatch custom payload", ex);
this.disconnect("Invalid custom payload!");
}
}
// CraftBukkit end
}
}
}
}
// CraftBukkit start - Add "isDisconnected" method
public final boolean isDisconnected() {
return (!this.player.joining && !this.networkManager.isConnected()) || this.processedDisconnect; // Paper
}
}